Seventy years ago, in Groveland, Fla., a young married woman, Norma Padgett, accused four black men of raping her. Those four men were blamed for the alleged crime, and two of them were shot to death. The other two were convicted of the crime. In a book that I have written about, “Devil in the Grove: Thurgood Marshall, the Groveland Boys and the Dawn of a New America,” by Gilbert King, the author tells the harrowing story of this huge miscarriage of justice. Seventy years later, there is some justice for the …